“…Koichi Fujimoto, Sadao Ishihara, Hiroaki Yanagisawa, Junya Ide, Eiji Nakayama, Hideo Nakao, Shin-ichi Sugawara1 and Masayuki Iwata Sankyo Research Laboratories, Sankyo Co., Ltd , 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140, Japan (Received for publication September 26, 1986) MAR. 1987 The synthesis and the biological properties of orally active cephalosporin esters are described.…”